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[Target sighting by Auto focus] The Auto focus of R-300 series has following two modes. 1. Normal mode : Pressing AF button focuses on the target. 2. Continuous mode : Pressing AF buttons for two seconds beeps, and releasing the key enters into the Continuous mode. This mode enables you to perform the Auto focus approx. for one minutes only by sighting the telescope and chasing the target. 3 PREPARATION FOR SURVEYING [Auto focus :Target sighting by Normal mode] q Loosen the telescope clamp and horizontal clamp screws. w Point the telescope at the target using a collimator. e Tighten the above two screws. r Adjust the eyepiece. t Look through the telescope and press the AF button. Move your eye vertically and horizontally to see if the target image moves in relation to reticle. y Stay the reticle accurately on the target using telescope and horizontal tangent screws. If the target image does not move, there is no parallax. If it moves, eliminate the parallax. Even when vertical angle measurement is not performed, it is recommended that the target should be placed at the reticle center. Operating the Power focus key rotates the AF ring, so do not touch it while it P22 3 PREPARATION FOR SURVEYING [Auto focus :Target sighting by Continuous mode] ................ Loosen the telescope clamp and horizontal clamp screws. ................ Point the telescope at the target using a collimator. ................ Tighten the above two screws. ................ Adjust the eyepiece. ................ Look through the telescope and then press the AF button for two seconds to beep, and release the key to enter into the Continuous mode. ................ Stay the reticle accurately on the target using telescope and horizontal tangent screws. ................ Point the telescope to the next target as well. .. Keep the target close to the reticle center when chasing it by the Continuous mode. .. Continuous mode automatically ceases after approx. one minute. .. Pressing the AF button or operating the Power focus key releases the continuous mode. .. Operating the Power focus key rotates the AF ring, so do not touch it while it is rotating. 3 PREPARATION FOR SURVEYING [Auto focus :Target sighting by Power focus mode] ................ Loosen the telescope clamp and horizontal clamp screws. ................ Point the telescope at the target using a collimator. ................ Tighten the above two screws. ................ Adjust the eyepiece. ................ Look through the telescope, and then operate the Power focus key and focus on the target. ................ Stay the reticle accurately on the target using telescope and horizontal tangent screws. .. Tilting the Power focus key "clockwise" makes it possible to focus on closer range and "counterclockwise" makes on further range. .. Tilting angle of the Power focus key makes it possible to perform following Tripod focusing speeds. Low speed : When tilted to middle position by approx. 5 degrees Middle speed : When tilted fully by approx. 10 degrees High speed : When tilted fully by approx. 10 degrees and passed one second .. Operating the Power focus key rotates the AF ring, so do not touch it while it is rotating. P23 3 PREPARATION FOR SURVEYING [Target sighting by Manual focus] ................ Loosen the telescope clamp and horizontal clamp screws. ................ Point the telescope at the target using a collimator. ................ Tighten the above two screws. ................ Adjust the eyepiece. ................ Look through the telescope and then rotate the AF ring and stop it where the target can be seen clearly and the target image does not move in relation to reticle even if your eye is vertically and horizontally moved. ................ Stay the reticle accurately on the target using telescope and horizontal tangent sc...

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